Pdf.Dropper.Agent-7289684-0 — PDF malware analysis

Static analysis result for SHA-256 a556b26393142649…

MALICIOUS

PDF

1.4 KB
MD5: 71d5b27afee3f86630c714b702cd85f5 SHA-1: ad7caca29e1ea38119bb7f04ec37f78eea7f441a SHA-256: a556b2639314264942b05f02a8469b2d5cc0689e6410037d7e97d031092059e1
196 Risk Score

Malware Insights

Pdf.Dropper.Agent-7289684-0 · confidence 95%

MITRE ATT&CK
T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, which is triggered by the CVE-2009-4324 vulnerability via the media.newPlayer object. The embedded JavaScript, specifically javascript_obj111712_001.js, is obfuscated but appears to be designed to download and execute a second-stage payload. This is further supported by the ClamAV detection name 'Pdf.Dropper.Agent-7289684-0'.

Heuristics 6

  • media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324
    PDF JavaScript calls media.newPlayer — CVE-2009-4324 is a use-after-free in Adobe Reader's multimedia plugin triggered by media.newPlayer(). Actively exploited as a zero-day in December 2009. (matched in decompressed stream)
  • ClamAV: Pdf.Dropper.Agent-7289684-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7289684-0
  • unescape() call high PDF_UNESCAPE
    unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
  • Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj111711_000.js
ed214d008ca7f8fad0affc792159f2b30ce479dc90c5348e0751937c74ebe0c2
pdf-javascript-stream PDF /JS object 111711 at offset 0x197 291 bytes
javascript_obj111712_001.js
23e0b2d12d56136f2fa09d30846f63ef8f7dab7e802cf360d4799c09bf030d69
pdf-javascript-stream PDF /JS object 111712 at offset 0x2B2 954 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 2 eval/decoder/string-building token(s).
javascript_obj111713_002.js
d2f98bec78aa096efa5aca99b701d5e6b9a8e2cf728fb7e79bf248862bacf14b
pdf-javascript-stream PDF /JS object 111713 at offset 0x50C 70 bytes